<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    .demo{
      /*  复合属性 后面写多个值*/
      font: bold italic 40px "华文彩云";
    }
  </style>
</head>
<body>
<div class="demo">今日天气</div>
</body>
</html>